{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The 862kHz frequency inputs 6 times the number of Watts into water , as measured by calorimetry , with the other frequencies having roughly the same value under very similar conditions ."}
{"Chemical": []}